After reading the first post, it makes me go - Why can't people just do what they're told? If a FA tells you to sit back down on ur seat and buckle up, do it; they're not telling u to do it cos it's fun but because it's required. Don't answer back and when at security, take off ur shoes, belts and jackets and place them on the tray and get that laptop and small bag of liquids and gels out of that bag, security have a right to screen bags, it's their job, so don't answer back.
It frustrates me to no end the number of smart-alec people who think they know better yet they know nothing.